Cubing, puzzles, and magic

Rubik's Cube

• JPerm.net - By Dylan Wang.
• CubeSkills - By Feliks Zemdegs. Tutorials, algorithms, PDFs and tools to learn speedcubing.
• AlgDb.net - Rubik's Cube Algorithms Database.
• Speed Cube Database
• Speedsolving Wiki
• Ruwix
• Andy Klise - Illustrations and Algorithms.
• cubing.net
• Badmephisto's Cubing Site
• Best site ever
• CubeRoot
• Cubefreak
• cut-the-knot.org - Interactive Mathematics Miscellany and Puzzles.
• Timers
  • csTimer (GitHub)
  • qqTimer
  • Twisty Timer (GitHub) (Android)
  • timer.cubing.net
• People
  • Stefan Pochmann
  • Lucas Garron
  • Jessica Fridrich
  • Herbert Kociemba's Homepage
  • Lars Petrus Portal
  • Erich Friedman - Prof. Erich Friedman's webpage.
  • Cubewhiz.com - Bob Burton.
• Fun
  • You know you've been cubing too long when ...
  • Frank Morris Facts

Chess

• Lichess (Source)
• Chess.com
• chess24.com
• Kasparovchess
• ChessBase
• Chessgames.com
  • Notable Chess games of all time
• Chess tactics explained
• Who will win in this riveting game of Math.random() vs Math.random()?

Go

• OGS (Source)
• KGS
• Sensei's Library
• PlayGo.to

Hex

• Hex Stategy Guide

KenKen

• KenKen Puzzle

Misc

• BoardGameGeek - Gaming Unplugged Since 2000.
• Pagat.com
• Futility Closet- An idler's miscellany of compendious amusements.
• Mahjong
• Bingo
• Jenga
• Puzzles
  • Sudoku and variants
  • 2048
  • Kakuro
  • Masyu
  • Soma cube and similar puzzles
• Board games
  • Shogi
  • Checkers
  • Backgammon
  • Monopoly
  • Uno
• Card games
  • Poker
  • Bridge